Revert "units: do not soft-reboot before soft-reboot.target reached"

This reverts commit 4263d76.

Still I think this is the way to go. But the change was merged after -rc2,
and still discussion is continued. So, at least now let's revert it,
and do that after v256-final is released if approved.

Author: yuwata

units/soft-reboot.target

@@ -11,10 +11,8 @@
 Description=Reboot System Userspace
 Documentation=man:systemd.special(7)
 DefaultDependencies=no
-Requires=shutdown.target umount.target final.target
-After=shutdown.target umount.target final.target
 Requires=systemd-soft-reboot.service
-Before=systemd-soft-reboot.service
+After=systemd-soft-reboot.service
 AllowIsolate=yes
 JobTimeoutSec=30min
 JobTimeoutAction=soft-reboot-force

units/systemd-soft-reboot.service

@@ -11,5 +11,6 @@
 Description=Reboot System Userspace
 Documentation=man:systemd-soft-reboot.service(8)
 DefaultDependencies=no
-Requires=soft-reboot.target
+Requires=shutdown.target umount.target final.target
+After=shutdown.target umount.target final.target
 SuccessAction=soft-reboot-force